81 lines
2.3 KiB
C
81 lines
2.3 KiB
C
|
/*
|
||
|
|
******************************************************************************
|
||
|
|
* @file driver_qspi.c
|
||
|
|
* @author FreqChip Firmware Team
|
||
|
|
* @version V1.0.0
|
||
|
|
* @date 2021
|
||
|
|
* @brief QSPI module driver.
|
||
|
|
* This file provides firmware functions to manage the
|
||
|
|
* Quad Serial Peripheral Interface (QSPI) peripheral
|
||
|
|
******************************************************************************
|
||
|
|
* @attention
|
||
|
|
*
|
||
|
|
* Copyright (c) 2021 FreqChip.
|
||
|
|
* All rights reserved.
|
||
|
|
******************************************************************************
|
||
|
|
*/
|
||
|
|
#include "fr30xx.h"
|
||
|
|
|
||
|
|
#define QSPI_STIG_MAX_SINGLE_LEN 8
|
||
|
|
#define QSPI_STIG_BANK_DEPTH 128
|
||
|
|
|
||
|
|
__RAM_CODE int qspi_stig_cmd(struct qspi_regs_t *QSPI, struct qspi_stig_reg_t cmd, enum qspi_stig_cmd_type_t type, int len, uint8_t *buffer)
|
||
|
|
{
|
||
|
|
uint32_t tmp_u32[2];
|
||
|
|
uint8_t *tmp_u8 = (uint8_t *)tmp_u32;
|
||
|
|
|
||
|
|
if(type == QSPI_STIG_CMD_BANK_READ) {
|
||
|
|
if(QSPI_STIG_BANK_DEPTH < len) {
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
if(QSPI_STIG_MAX_SINGLE_LEN < len) {
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
while(__QSPI_IS_BUSY(QSPI));
|
||
|
|
|
||
|
|
if(type == QSPI_STIG_CMD_EXE) {
|
||
|
|
__QSPI_STIG_CMD_SET(QSPI, cmd);
|
||
|
|
__QSPI_STIG_EXECUTE(QSPI);
|
||
|
|
while(__QSPI_STIG_ON_GOING(QSPI));
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
if(type == QSPI_STIG_CMD_WRITE) {
|
||
|
|
for (volatile int32_t i=0; i<len; i++) {
|
||
|
|
*tmp_u8++ = *buffer++;
|
||
|
|
}
|
||
|
|
|
||
|
|
__QSPI_STIG_DATA_L_SET(QSPI, tmp_u32[0]);
|
||
|
|
__QSPI_STIG_DATA_H_SET(QSPI, tmp_u32[1]);
|
||
|
|
|
||
|
|
__QSPI_STIG_CMD_SET(QSPI, cmd);
|
||
|
|
__QSPI_STIG_WRITE_BYTES_SET(QSPI, len);
|
||
|
|
__QSPI_STIG_EXECUTE(QSPI);
|
||
|
|
while(__QSPI_STIG_ON_GOING(QSPI));
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
__QSPI_STIG_CMD_SET(QSPI, cmd);
|
||
|
|
__QSPI_STIG_READ_BYTES_SET(QSPI, len);
|
||
|
|
__QSPI_STIG_EXECUTE(QSPI);
|
||
|
|
while(__QSPI_STIG_ON_GOING(QSPI));
|
||
|
|
|
||
|
|
if(type == QSPI_STIG_CMD_READ) {
|
||
|
|
tmp_u32[0] = __QSPI_STIG_DATA_L_GET(QSPI);
|
||
|
|
tmp_u32[1] = __QSPI_STIG_DATA_H_GET(QSPI);
|
||
|
|
for (volatile int32_t i=0; i<len; i++) {
|
||
|
|
*buffer++ = *tmp_u8++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
//TBD, BANK READ
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|